2-Methylbenzaldehyde

Basic Information

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CAS Number

529-20-4

Molecular Formula

C8H8O

Molecular Weight

120.15 g/mol

Chemical Classification

Basic Chemical Raw Materials Organic Chemicals Carboxylic Acids

Basic Chemical Raw Materials Organic Chemicals Aldehydes

Fine Chemicals Dyes and Pigments Organic Dyes

Basic Physical Properties

Melting Point

-35 ºC

Boiling Point

200°C

Refractive Index

n20/D 1.546(lit.)

SMILES

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Cc1ccccc1C=O

InChI

InChI=1S/C8H8O/c1-7-4-2-3-5-8(7)6-9/h2-6H,1H3

InChIKey

BTFQKIATRPGRBS-UHFFFAOYSA-N

LogP

1.80752

Topological Polar Surface Area

17.07 Å²

Hydrogen Bond Donor/Acceptor

0 / 1

Complexity

98.7

Safety Information

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Hazard Statement

H227 Combustible liquid
Flammable liquids

H302 Harmful if swallowed
Acute toxicity, oral

H315 Causes skin irritation
Skin corrosion/irritation

H319 Causes serious eye irritation
Serious eye damage/eye irritation

Hazard Class

Class AIR SENSITIVE Class AIR SENSITIVE

Sensitiveness

Air Sensitive

Synonyms & References

English

2-Methylbenzaldehyde
ortho-tolualdehyde
o-Tolualdehyde
2-Tolualdehyde
o-Methylicbenzaldehyde
o-Tolualdehyde Solution
o-Tolylaldehyde
2-Formyltoluene
FEMA 3068
o-Methylbenzaldehyde
o-Tolualdehyde,stabilized
O-TOLUIC ALDEHYDE
O-TOLUYLALDEHYDE
2-Methyl-Benzaldehyde
Benzaldehyde, 2-methyl-
o-Methylbenazldehyde
Toluic aldehyde
o-Tolualdehyde (8CI)
Q7E5H6W6BG
BTFQKIATRPGRBS-UHFFFAOYSA-N
DSSTox_CID_2051
DSSTox_RID_76470
DSSTox_GSID_22051
Ort
2-methylbenzaldehyde

MDL Number

MFCD00003338

Customs Code

29122900

FAQ

What are the physical and chemical properties of 2-Methylbenzaldehyde (CAS: 529-20-4)?

2-Methylbenzaldehyde (CAS: 529-20-4) is a colorless to light yellow liquid with a strong aromatic odor. Its molecular weight is 111.13 g/mol. It is slightly soluble in water but soluble in ethanol and other organic solvents. It is used in organic synthesis and has moderate reactivity, especially towards nucleophiles and reducing agents.

How is 2-Methylbenzaldehyde (CAS: 529-20-4) typically synthesized?

2-Methylbenzaldehyde (CAS: 529-20-4) can be synthesized via the Kolbe-Schmitt reaction, where toluene is oxidized in the presence of an oxidizing agent like molybdic acid. Another method involves the hydrolysis of 2-methylbenzoyl chloride. These methods offer good yield and selectivity.

What industries use 2-Methylbenzaldehyde (CAS: 529-20-4)?

2-Methylbenzaldehyde (CAS: 529-20-4) is used in the fragrance and flavor industry, as a precursor in organic synthesis, and in the production of some pharmaceuticals. It is also employed in polymer synthesis and as a component in some sensor applications.

What precautions should be taken when handling 2-Methylbenzaldehyde (CAS: 529-20-4)?

When handling 2-Methylbenzaldehyde (CAS: 529-20-4), it is important to wear appropriate personal protective equipment (PPE), including gloves and safety goggles. Store it in a cool, well-ventilated area, away from direct sunlight. Use a fume hood during handling and disposal. Always refer to the Safety Data Sheet (SDS) for detailed safety information.